Garrett P. Servis was an astronomer and one of the most respected scientists and science fiction authors of the late 19th and early 20th centuries. He was the author of Astronomy with an Opera Glass and The Second Deluge. Robert Godwin is the space curator at the Canadian Air and Space Museum and an advocate of the Space Frontier Foundation. He works closely with the Mars Society, the National Space Society, the National Aeronautics and Space Administration, and the X-Prize Foundation. He is the author of Apollo 11, The Illustrated Collector's Guide to Led Zeppelin, and The Lunar Exploration Scrapbook and the coauthor of Saturn, which won the Sir Arthur Clarke Award for Best Presentation Written.He lives in Burlington, Ontario.